Baseball Roster for 2003 Wisconsin Timber Rattlers
| # | Player Name | Pos | Age | B | T | Ht | Wt | Born | Place | High Level | mlbYears |
| 16 | Tomoshi Aoki | OF | 23 | R | R | 6-1 | 200 | 9/10/1979 | Yokohama,Japan | A | - |
| 18 | Carlos Arroyo | OF | 22 | L | L | 5-11 | 190 | 5/30/1981 | Cartagena,Colombia | A+ | - |
| 22 | T.J. Bohn | OF | 23 | R | R | 6-4 | 205 | 1/17/1980 | St.Louis Park,Minnesota | MLB | 2006-2008 |
| - | Blake Bone | 1B | 24 | L | R | 6-1 | 190 | 1/12/1979 | Gadsden,Alabama | A+ | - |
| 25 | Luis Cordova | SS | 18 | B | R | 6-1 | 180 | 9/2/1984 | Aragua,Venezuela | A | - |
| - | Renee Cortez | P | 20 | R | R | 6-4 | 178 | 12/9/1982 | Valencia,Venezuela | AAA | - |
| 15 | Danny Delgado | P | 25 | R | R | 6-2 | 180 | 2/10/1978 | Miami,Florida | AAA | - |
| 24 | Oscar Delgado | P | 22 | L | L | 5-11 | 170 | 4/5/1981 | Maracay,Venezuela | AAA | - |
| - | Dustin Delucchi | OF | 25 | L | L | 6-0 | 180 | 12/23/1977 | San Francisco,California | AAA | - |
| - | Rich Dorman | P | 24 | R | R | 6-2 | 210 | 9/30/1978 | Medford,Oregon | AAA | - |
| 4 | Justin Dowdy | P | 19 | L | L | 6-1 | 160 | 8/13/1983 | San Diego,California | AAA | - |
| - | Chad Ehrnsberger | OF | 25 | R | R | 5-10 | 190 | 11/29/1977 | Lima,Ohio | AA | - |
| 13 | T.A. Fulmer | P | 23 | R | R | 6-3 | 208 | 1/14/1980 | Houston,Texas | AAA | - |
| - | Cip Garcia | C | 24 | R | R | 6-0 | 205 | 10/23/1978 | Rio Rancho,New Mexico | AA | - |
| 3 | Michael Garciaparra | SS | 20 | R | R | 6-1 | 160 | 4/2/1983 | Whittier,California | AAA | - |
| - | Brock Griffin | C | 23 | L | R | 6-0 | 200 | 10/4/1979 | Portland,Oregon | A | - |
| 9 | Matt Hagen | 3B | 23 | R | R | 6-4 | 215 | 1/3/1980 | Watsonville,California | AA | - |
| 1 | Corey Harrington | 2B | 23 | R | R | 6-1 | 180 | 5/6/1980 | Lincoln,Nebraska | A | - |
| 10 | Gary Harris | OF | 23 | L | R | 5-10 | 180 | 9/9/1979 | Dalton,Georgia | AA | - |
| 29 | Bryan Heaston | P | 23 | R | R | 6-3 | 210 | 6/9/1980 | Farmington,New Mexico | A | - |
| - | Felix Hernandez | P | 17 | R | R | 6-3 | 170 | 4/8/1986 | Valencia,Venezuela | MLB | 2005-2011 |
| - | Beau Hintz | P | 23 | L | L | 6-4 | 210 | 5/12/1980 | Stockton,California | AAA | - |
| 32 | Cesar Jimenez | P | 18 | L | L | 5-11 | 180 | 11/12/1984 | Cunana Sucre,Venezuela | MLB | 2006-2011 |
| 14 | Bobby Livingston | P | 20 | L | L | 6-3 | 191 | 9/3/1982 | St. Louis,Missouri | MLB | 2006-2007 |
| 40 | Miguel Martinez | P | 21 | R | R | 6-1 | 160 | 9/29/1981 | Monte Cristi,Dominican Republic | A+ | - |
| - | Josh McNulty | 1B | 22 | L | R | 6-5 | 210 | 11/12/1980 | Jackson,Mississippi | A | - |
| - | Tim Merritt | 2B | 23 | R | R | 6-0 | 180 | 2/7/1980 | Pensacola,Florida | AA | - |
| 21 | Brent Metheny | 1B | 22 | L | R | 6-0 | 205 | 10/3/1980 | Winchester,Virginia | A | - |
| - | Brandon Moorhead | P | 23 | R | R | 6-2 | 215 | 1/23/1980 | Anderson,South Carolina | AA | - |
| - | David Morrow | P | 22 | R | R | 6-1 | 200 | 6/28/1981 | Durant,Oklahoma | A | - |
| 27 | Jon Nelson | 1B | 23 | R | R | 6-5 | 210 | 1/16/1980 | Provo,Utah | AAA | - |
| - | Juan Ovalles | P | 21 | R | R | 6-1 | 160 | 5/15/1982 | Caracas,Venezuela | AA | - |
| 8 | Chris Phillips | 2B | 31 | R | R | 6-0 | 175 | 9/27/1971 | Louisville,Kentucky | A+ | - |
| 7 | Rene Rivera | C | 19 | R | R | 5-10 | 190 | 7/31/1983 | Bayamon,Puerto Rico | MLB | 2004-2011 |
| - | Ryan Rowland-Smith | P | 20 | L | L | 6-3 | 230 | 1/26/1983 | Sydney,Australia | MLB | 2007-2010 |
| 5 | Juan Sandoval | P | 22 | R | R | 6-1 | 170 | 1/13/1981 | Santo Domingo,Dominican Republic | AAA | - |
| - | Nicholas Udy | C | 24 | L | R | 6-0 | 205 | 3/12/1979 | Brigham City,Utah | AA | - |
| 6 | David Viane | P | 23 | R | R | 6-1 | 215 | 7/15/1979 | Royal Oak,Michigan | A+ | - |
| 31 | Tanner Watson | P | 21 | R | R | 6-3 | 195 | 6/14/1982 | Arnprior,Ontario | AA | - |
| 33 | Greg Wear | P | 23 | R | R | 6-5 | 220 | 7/7/1979 | Crestwood,Illinois | AAA | - |
Team Personnel
